A. 40 years

B. 50 years

C. 60 years

D. 70 years

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**ANSWER: B. 50 yearsSolution: According to the question current age of the man is:1. 125% of his age 10 years ago2. 83.333% of his age 10 years from nowLet the current age of the man be x. Therefore, equating the two equations generated:125/100(x-10) = 250/3(x+10)x = 50 **

A. 20%

B. 30%

C. 33%

D. 35%

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**ANSWER: B. 30%Solution: For a square plot of side 1 m, diagonal can be calculated by applying the Pythagoras theorem. In this case diagonal = square root of sum of square of sides= √(1**

A. Rs 240

B. Rs 420

C. Rs 480

D. Rs 400

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**ANSWER: A. Rs 240Solution: The above question is solved directly by concepts of banker’ discount.i.e. Total Discount = √Present Worth + Banker’s GainSo, Total Discount = √5760 + 10=> 230 + 10=> 240**

A. 2 hr 30 min

B. 2 hr

C. 4 hr

D. 3 hr 30 min

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**ANSWER: A. 2 hr 30 minSolution: Let the speed of stream be y and speed of boat in still water be x Now we know that speed= distance / time.The boat travels 20 minutes downstream which means 1/3rd of an hour. => Boat speed upstream= 2/2= 1kmph -- (1)=> Boat speed downstream = 1/(1/3) = 3 kmph – (2)=> x + y = 3, x – y = 1Solving these equations we get x = 2 and y = 1Therefore, Speed of boat in still water = 2 kmph=> Time taken to travel 5 km in stationary water = 5 / 2 = 2 hr 30 minutes **

A. Tuesday

B. Thursday

C. Saturday

D. Friday

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**ANSWER: C. SaturdaySolution: The basic concept in a problem involving days is finding the number of odd days. In 61 days:=> 7 x 8 + 5 = 5 odd days=> Monday + 5 days = SaturdayHence 61 days from today will be a Saturday. **

A. 1

B. 40

C. 20

D. 60

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**ANSWER: B. 40Solution: Let one cow eat one cane in x days.=> By virtue of direct and indirect proportion:Cows ↑ Days↓ (Indirect Proportion)Cows ↑Canes↓ (Direct Proportion)Cows Ratio: 40 : 1SugarCane: 1:40 : : x : 40=> 40 * 1*40 = x*40x=40**

A. 22

B. 24

C. 20

D. 21

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**ANSWER: A. 22Solution: Every hour the hour hand and minute hand coincide once. => Every 12 hours hands should coincide 12 timesBut in 11 to 1 the clock hands coincide once only at 12Hence, in every 12 hours hands coincide 11 times.Therefore, In 24 hours clock hands coincide 11 x 2 = 22 times.**

A. 4%

B. 6%

C. 5%

D. 50%

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**ANSWER: C. 5%Solution: Increase in population in 10 years= 262500-175000= 87500Now, % increase will be increase in (population /original population) * 100 => 87500/175000*100= 50% increase in population over 10 years Therefore, Average % increase each year= 50/10= 5%**

121 x 5

A. 68225

B. 75625

C. 76569

D. 45854

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**ANSWER: B. 75625Solution: This question can be solved by 2 approaches:=> Direct Multiplication=> Numerical OperationsDirect multiplication is quite time consuming and involves a lot of calculations. An easier approach is based on numerical operations. => 121 x (10/2)**

2, 7, 10, 22, 18, 37, 26

A. 42

B. 52

C. 62

D. 72

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**ANSWER: B. 52Solution: This question contains two series’ running simultaneously:=> The numbers in odd places are increasing by 8 2 + 8 = 1010 + 8 = 1818 + 8 = 26=> The numbers in even places are increasing by 157 + 15 = 22 22 + 15 = 3737 + 15 = 52 Therefore, Next number will be 37+15= 52**

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